[dpdk-dev] [PATCH v10 8/8] ethdev: add 100G link speed

Thomas Monjalon thomas.monjalon at 6wind.com
Mon Mar 14 22:55:46 CET 2016


The link speed configuration is now done with bitmaps so 100G speed
requires only a new bit flag.
The actual link speed is a number so its size must be increased from
16-bit to 32-bit.

Signed-off-by: Marc Sune <marcdevel at gmail.com>
Tested-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
Signed-off-by: Thomas Monjalon <thomas.monjalon at 6wind.com>
---
 app/test-pmd/cmdline.c                      | 12 +++++++-----
 doc/guides/rel_notes/release_16_04.rst      |  5 +++++
 doc/guides/testpmd_app_ug/testpmd_funcs.rst |  2 +-
 drivers/net/fm10k/fm10k_ethdev.c            |  2 +-
 drivers/net/mlx5/mlx5_ethdev.c              |  2 +-
 drivers/net/nfp/nfp_net.c                   |  2 +-
 drivers/net/szedata2/rte_eth_szedata2.c     |  1 +
 lib/librte_ether/rte_ethdev.c               |  2 ++
 lib/librte_ether/rte_ethdev.h               |  4 +++-
 9 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 3bc7bb4..3337b7b 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -549,7 +549,7 @@ static void cmd_help_long_parsed(void *parsed_result,
 			"    Detach physical or virtual dev by port_id\n\n"
 
 			"port config (port_id|all)"
-			" speed (10|100|1000|10000|40000|auto)"
+			" speed (10|100|1000|10000|40000|100000|auto)"
 			" duplex (half|full|auto)\n"
 			"    Set speed and duplex for all ports or port_id\n\n"
 
@@ -1017,6 +1017,8 @@ parse_and_check_speed_duplex(char *speedstr, char *duplexstr, uint32_t *speed)
 			*speed = ETH_LINK_SPEED_10G;
 		} else if (!strcmp(speedstr, "40000")) {
 			*speed = ETH_LINK_SPEED_40G;
+		} else if (!strcmp(speedstr, "100000")) {
+			*speed = ETH_LINK_SPEED_100G;
 		} else if (!strcmp(speedstr, "auto")) {
 			*speed = ETH_LINK_SPEED_AUTONEG;
 		} else {
@@ -1064,7 +1066,7 @@ cmdline_parse_token_string_t cmd_config_speed_all_item1 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, item1, "speed");
 cmdline_parse_token_string_t cmd_config_speed_all_value1 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, value1,
-						"10#100#1000#10000#40000#auto");
+						"10#100#1000#10000#40000#100000#auto");
 cmdline_parse_token_string_t cmd_config_speed_all_item2 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, item2, "duplex");
 cmdline_parse_token_string_t cmd_config_speed_all_value2 =
@@ -1074,7 +1076,7 @@ cmdline_parse_token_string_t cmd_config_speed_all_value2 =
 cmdline_parse_inst_t cmd_config_speed_all = {
 	.f = cmd_config_speed_all_parsed,
 	.data = NULL,
-	.help_str = "port config all speed 10|100|1000|10000|40000|auto duplex "
+	.help_str = "port config all speed 10|100|1000|10000|40000|100000|auto duplex "
 							"half|full|auto",
 	.tokens = {
 		(void *)&cmd_config_speed_all_port,
@@ -1138,7 +1140,7 @@ cmdline_parse_token_string_t cmd_config_speed_specific_item1 =
 								"speed");
 cmdline_parse_token_string_t cmd_config_speed_specific_value1 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_specific, value1,
-						"10#100#1000#10000#40000#auto");
+						"10#100#1000#10000#40000#100000#auto");
 cmdline_parse_token_string_t cmd_config_speed_specific_item2 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_specific, item2,
 								"duplex");
@@ -1149,7 +1151,7 @@ cmdline_parse_token_string_t cmd_config_speed_specific_value2 =
 cmdline_parse_inst_t cmd_config_speed_specific = {
 	.f = cmd_config_speed_specific_parsed,
 	.data = NULL,
-	.help_str = "port config X speed 10|100|1000|10000|40000|auto duplex "
+	.help_str = "port config X speed 10|100|1000|10000|40000|100000|auto duplex "
 							"half|full|auto",
 	.tokens = {
 		(void *)&cmd_config_speed_specific_port,
diff --git a/doc/guides/rel_notes/release_16_04.rst b/doc/guides/rel_notes/release_16_04.rst
index f6d00f5..4700899 100644
--- a/doc/guides/rel_notes/release_16_04.rst
+++ b/doc/guides/rel_notes/release_16_04.rst
@@ -157,6 +157,11 @@ EAL
 Drivers
 ~~~~~~~
 
+* **ethdev: Fixed overflow for 100Gbps.**
+
+  100Gbps in Mbps (100000) was exceeding 16-bit max value of ``link_speed``
+  in ``rte_eth_link``.
+
 * **ethdev: Fixed byte order consistency between fdir flow and mask.**
 
   Fixed issue in ethdev library that the structure for setting
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index efaf2b5..cb49495 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -1155,7 +1155,7 @@ port config - speed
 
 Set the speed and duplex mode for all ports or a specific port::
 
-   testpmd> port config (port_id|all) speed (10|100|1000|10000|auto) \
+   testpmd> port config (port_id|all) speed (10|100|1000|10000|40000|100000|auto) \
             duplex (half|full|auto)
 
 port config - queues/descriptors
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index 4d8c6bf..b4a0523 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -1336,7 +1336,7 @@ fm10k_dev_infos_get(struct rte_eth_dev *dev,
 
 	dev_info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G |
 			ETH_LINK_SPEED_10G | ETH_LINK_SPEED_25G |
-			ETH_LINK_SPEED_40G;
+			ETH_LINK_SPEED_40G | ETH_LINK_SPEED_100G;
 }
 
 static int
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index 7494f69..6f82a3d 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -525,7 +525,7 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
 	info->reta_size = priv->ind_table_max_size;
 	info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
 			ETH_LINK_SPEED_25G | ETH_LINK_SPEED_40G |
-			ETH_LINK_SPEED_50G;
+			ETH_LINK_SPEED_50G | ETH_LINK_SPEED_100G;
 	priv_unlock(priv);
 }
 
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index be1a364..00f0ce9 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -1072,7 +1072,7 @@ nfp_net_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	dev_info->reta_size = NFP_NET_CFG_RSS_ITBL_SZ;
 	dev_info->hash_key_size = NFP_NET_CFG_RSS_KEY_SZ;
 
-	dev_info->speed_capa = ETH_LINK_SPEED_50G;
+	dev_info->speed_capa = ETH_LINK_SPEED_50G | ETH_LINK_SPEED_100G;
 }
 
 static uint32_t
diff --git a/drivers/net/szedata2/rte_eth_szedata2.c b/drivers/net/szedata2/rte_eth_szedata2.c
index 38be554..fa7c09d 100644
--- a/drivers/net/szedata2/rte_eth_szedata2.c
+++ b/drivers/net/szedata2/rte_eth_szedata2.c
@@ -1218,6 +1218,7 @@ eth_dev_info(struct rte_eth_dev *dev,
 	dev_info->max_tx_queues = (uint16_t)internals->nb_tx_queues;
 	dev_info->min_rx_bufsize = 0;
 	dev_info->pci_dev = NULL;
+	dev_info->speed_capa = ETH_LINK_SPEED_100G;
 }
 
 static void
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 4594f41..ab39296 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -888,6 +888,8 @@ rte_eth_speed_bitflag(uint32_t speed, int duplex)
 		return ETH_LINK_SPEED_50G;
 	case ETH_SPEED_NUM_56G:
 		return ETH_LINK_SPEED_56G;
+	case ETH_SPEED_NUM_100G:
+		return ETH_LINK_SPEED_100G;
 	default:
 		return 0;
 	}
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 5e3bd04..e215d55 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -259,6 +259,7 @@ struct rte_eth_stats {
 #define ETH_LINK_SPEED_40G      (1 << 11)  /**<  40 Gbps */
 #define ETH_LINK_SPEED_50G      (1 << 12)  /**<  50 Gbps */
 #define ETH_LINK_SPEED_56G      (1 << 13)  /**<  56 Gbps */
+#define ETH_LINK_SPEED_100G     (1 << 14)  /**< 100 Gbps */
 
 /**
  * Ethernet numeric link speeds in Mbps
@@ -275,12 +276,13 @@ struct rte_eth_stats {
 #define ETH_SPEED_NUM_40G      40000 /**<  40 Gbps */
 #define ETH_SPEED_NUM_50G      50000 /**<  50 Gbps */
 #define ETH_SPEED_NUM_56G      56000 /**<  56 Gbps */
+#define ETH_SPEED_NUM_100G    100000 /**< 100 Gbps */
 
 /**
  * A structure used to retrieve link-level information of an Ethernet port.
  */
 struct rte_eth_link {
-	uint16_t link_speed;        /**< ETH_SPEED_NUM_ */
+	uint32_t link_speed;        /**< ETH_SPEED_NUM_ */
 	uint16_t link_duplex  : 1;  /**< ETH_LINK_[HALF/FULL]_DUPLEX */
 	uint16_t link_autoneg : 1;  /**< ETH_LINK_SPEED_[AUTONEG/FIXED] */
 	uint16_t link_status  : 1;  /**< ETH_LINK_[DOWN/UP] */
-- 
2.7.0



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